d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix ia64 and mips kernel builds due to XENHVM=>GENERIC integration in

Browse Source 
revision 255744.

sys/kern/subr_smp.c:
	IPI_SUSPEND is only available on amd64 and i386.  Protect
	new uses of this constant with #ifdefs to avoid impacting
	other platforms.

Approved by:	re (blanket Xen)
This commit is contained in:
Justin T. Gibbs 2013-09-22 02:46:13 +00:00
parent 9298484319
commit 255424ddb7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=255783
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/kern/subr_smp.c
View File

@ -225,6 +225,7 @@ generic_stop_cpus(cpuset_t map, u_int type)
CTR2(KTR_SMP, "stop_cpus(%s) with %u type",
cpusetobj_strprint(cpusetbuf, &map), type);
#if defined(__amd64__) || defined(__i386__)
/*
* When suspending, ensure there are are no IPIs in progress.
* IPIs that have been issued, but not yet delivered (e.g.
@ -234,6 +235,7 @@ generic_stop_cpus(cpuset_t map, u_int type)
*/
if (type == IPI_SUSPEND)
mtx_lock_spin(&smp_ipi_mtx);
#endif
if (stopping_cpu != PCPU_GET(cpuid))
while (atomic_cmpset_int(&stopping_cpu, NOCPU,
@ -262,8 +264,10 @@ generic_stop_cpus(cpuset_t map, u_int type)
}
}
#if defined(__amd64__) || defined(__i386__)
if (type == IPI_SUSPEND)
mtx_unlock_spin(&smp_ipi_mtx);
#endif
stopping_cpu = NOCPU;
return (1);